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Finding the Third Proportional to 457,919 and 994,654

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Solution

The third proportional to 457,919 and 994,654 is: 2,160,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,919 : 994,654 = 994,654 : x
  2. Step 2: Convert to fraction form
    457,919/994,654 = 994,654/x
  3. Step 3: Cross multiply
    457,919x = 994,654 × 994,654
  4. Step 4: Simplify right side
    457,919x = 989,336,579,716
  5. Step 5: Solve for x
    x = 989,336,579,716/457,919
  6. Step 6: Final answer
    x = 2,160,505.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.